Sílica e suas variedades alotrópicas: contribuição ao estudo de seu uso em odontologia [Title in english no available]

Abstract

Bibliographic investigation about silica and its alothropic inversions. It was observed that few papers that dealt the subject in a profound manner, have been published. Tt was observed too, that the infra-structure of silica is the basic point where future research works should be realized and will permit a precise control of thermal expansion and others Such phenomena are a consequence chemical and physical phenomena. of the atomic structure of Silica.